They should all be in prison bud and they’ll get their turn - the wheels of justice grind slow but they grind exceedingly fine. To avoid bringing them in without a charge yet, which is one of your main objections, the authorities are preparing their cases before arrest. And coordinating with many different parties, governments and police forces can take a long time.

There’s no one “international police” and each nation has to coordinate - and acts at its own cadence.